APA (7th ed.) Zitazioa
Clay, H. The Annals of America: V. 8 : 1850-1857 : A House Dividing. Encyclopaedia Britannica.
Chicago Style (17th ed.) Zitazioa
Clay, Henry. The Annals of America: V. 8 : 1850-1857 : A House Dividing. Chicago, EUA: Encyclopaedia Britannica.
MLA (9th ed.) Zitazioa
Clay, Henry. The Annals of America: V. 8 : 1850-1857 : A House Dividing. Encyclopaedia Britannica.
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